package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

/**
 * @version v1.0
 * @author OldGj 2024/5/16
 * @apiNote 用户相关持久层
 */
@Mapper
public interface UserMapper {


    /**
     * 根据openid查询用户
     * @param openid
     * @return
     */
    @Select(
            "select * from user where openid = #{openid}"
    )
    User findByOpenid(String openid);

    /**
     * 插入用户并且返回主键值到用户id属性
     * @param user
     */
    void insert(User user);

    @Select("select * from user where id = #{userId}")
    User getById(Long userId);


    /**
     * 根据动态条件统计用户数量
     * @param map
     * @return
     */
    Integer countByMap(Map map);
}
